2014-02-14  Kyle McMartin  <kyle@redhat.com>

	PR pch/60010
	* config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for AArch64.

--- gcc/config/host-linux.c	(revision 207784)
+++ gcc/config/host-linux.c	(revision 207785)
@@ -86,6 +86,8 @@
 # define TRY_EMPTY_VM_SPACE	0x60000000
 #elif defined(__mc68000__)
 # define TRY_EMPTY_VM_SPACE	0x40000000
+#elif defined(__aarch64__)
+# define TRY_EMPTY_VM_SPACE	0x1000000000
 #elif defined(__ARM_EABI__)
 # define TRY_EMPTY_VM_SPACE     0x60000000
 #elif defined(__mips__) && defined(__LP64__)